Hot spot imaging in cardiovascular diseases: an information statement from SNMMI, ASNC, and EANM

Area of Science:

• Nuclear Medicine
• Molecular Imaging
• Cardiology

Background:

• Nuclear cardiology traditionally uses cold spot imaging for myocardial ischemia and infarction.
• Hot spot imaging is increasingly utilized in nuclear cardiology, expanding its applications.
• This document addresses the evolving role of hot spot imaging in cardiac diagnostics.

Purpose of the Study:

• To provide a comprehensive overview of hot spot imaging in nuclear cardiology.
• To guide the performance, interpretation, and reporting of hot spot imaging procedures.
• To detail current indications and quantification methods for hot spot imaging.

Main Methods:

• Focuses on image acquisition, processing, and quantification techniques.
• Discusses specific protocols and reporting standards for hot spot imaging.
• Reviews established and emerging clinical indications for hot spot imaging.

Main Results:

• Hot spot imaging offers valuable insights into myocardial viability and inflammation.
• It aids in diagnosing cardiac device/valve infections and large vessel vasculitis.
• Applications include assessing valve calcification, vulnerable plaques, and cardiac amyloidosis.

Conclusions:

• Hot spot imaging represents a significant expansion in nuclear cardiology.
• Standardized performance, interpretation, and reporting are crucial for its effective use.
• This information statement provides a foundational guide for cardiac nuclear imagers.